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US 10,357,998 B2Granted
Tire tread
AssigneeCompagnie Generale Des Etablissements Michelin
InventorsDamien Thomasson, Perrine Vallat, Jean-Philippe Weber
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Abstract
A tire tread comprises a rubber composition based on at least one natural or synthetic polyisoprene, at a content ranging from 50 phr to 100 phr, a reinforcing filler comprising predominantly, by weight, inorganic filler, a coupling agent, a plasticizing agent at a content of less than or equal to 10 phr and a sulphur-based crosslinking system. The composition contains a zinc content ranging from 0.7 to 2 phr.
Claims14
A tire tread comprising a rubber composition based on:
- at least one natural or synthetic polyisoprene, at a content ranging from 60 phr to 90 phr;
- a reinforcing filler comprising inorganic filler
- a coupling agent;
- a plasticizing agent at a content of less than or equal to 10 phr;
- a sulphur-based crosslinking system;
- and
- a polybutadiene or a butadiene-styrene copolymer at a content ranging from 10 to 40 phr,
- wherein the rubber composition contains a zinc content ranging from 0.7 to 2 phr.
5 more elements
Dependencies are inferred from the claim text.